imKey HeirBOX Pro Metal Seed Phrase & Private Key Storage

• Advanced Metal Storage for Seed Phrases & Private Keys: imKey HeirBOX P1 is an advanced cold storage backup tool designed for crypto users and security-conscious individuals. It securely stores BIP-39 seed phrases and extends traditional seed storage by offering robust private key storage
• Supports Alphabet, Numbers & Custom Sensitive Data: Unlike ordinary seed plates that only handle words, HeirBOX P1 supports letters, numbers, and ASCII characters, letting you safely store mnemonic words, private keys, PIN codes, bank account passwords, CVV codes, safe combinations, and more in a single offline metal backup
• Durable Stainless Steel Protection: Built from high-strength 304 stainless steel, the P1 plate is resistant to fire, water, rust, corrosion, and physical damage. Its precision-engineered slots and laser-engraved characters ensure your data remains legible and intact long-term
• Custom Encryption Design: imKey HeirBOX P1 features a dual-sided (A/B) design and can securely store up to 128 characters of critical information. In addition, the HeirBOX P1 supports custom encryption rules. Each character slot has a unique index, allowing users to apply a secondary layer of protection by rearranging characters according to a self-defined pattern after entering the correct data
• Offline Cold Storage Compatible with All Wallets: imKey HeirBOX P1 is a fully non-electronic, offline backup solution compatible with all major wallet standards, including BIP-39 wallets like Ledger, Trezor, MetaMask, Coinbase Wallet, imToken, and more. Suitable for secure, long-term storage of sensitive crypto data and personal credentials
• Extreme Temperature and Environmental Resistance: The device withstands extreme conditions including temperatures up to 2000 degrees Celsius, complete water submersion, and exposure to corrosive elements, ensuring your backup remains protected in any disaster scenario
• Tamper-Proof Security Mechanism: Features a six-screw locking mechanism that ensures the structure stays vibration-resistant and tamper-proof, providing physical security against unauthorized access to your stored sensitive information

🔐 Product Description Secure your crypto assets from fire, water, and time. The imKey HeirBOX S1 is a premium-grade metal backup device designed for the long-term protection of your BIP39 seed phrase. Made from 304 stainless steel, it offers extreme durability — fireproof up to 2000°C, fully waterproof, rust-resistant, and corrosion-proof. Your recovery phrase stays safe even in the most extreme environments. Compatible with 12, 18, and 24-word seed phrases, the HeirBOX S1 uses precision laser-engraved letter plates. Simply record the first four letters of each word, following the BIP39 standard. Works seamlessly with major wallets including Ledger, KeepKey, MetaMask, and Trust Wallet. Built with a 100% offline, non-electronic design, this device eliminates any risk of hacking or digital theft. The six-screw locking mechanism ensures the structure stays vibration-resistant and tamper-proof. Setup is fast and easy — all tools are included in the box. Whether you’re a long-term HODLer, a security-conscious investor, or looking for a durable cold storage backup, the imKey HeirBOX S1 provides peace of mind and uncompromising protection for your crypto recovery phrase. 📘 Why BIP39 and Why First Four Letters? BIP39 is a widely adopted standard that defines a fixed list of 2,048 unique English words used to generate and restore cryptocurrency wallets. Because every word in the list is uniquely identified by its first four letters, users only need to record those four letters for each word in their seed phrase — no need to engrave the entire word. This design makes storage faster, safer, and more discreet, without sacrificing compatibility or recovery accuracy. As long as your shortened mnemonic phrase is securely stored, you can restore your digital assets anytime using any BIP39-compatible wallet.